Schema library e-commerce
Return a category-results record from a public page.
Pass this JSON Schema and a public source URL to/extract/json. Return a consistent list of public products from a category or search-results page.
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MARKDOWN
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const res = await client.extract.json({
url: 'https://example.com/pricing',
json_schema: {
type: 'object',
properties: {
plan: { type: 'string' },
price: { type: 'number' },
},
},
})res = client.extract.json(
url='https://example.com/pricing',
json_schema={
'type': 'object',
'properties': {
'plan': {'type': 'string'},
'price': {'type': 'number'},
},
},
)tabstack extract json https://example.com/pricing \
--schema '{"type":"object","properties":{"plan":{"type":"string"},"price":{"type":"number"}}}'What it captures
Fields in this category-results record.
Schema for e-commerce category browsing or search results pages.
| Field | Type | What it holds |
|---|---|---|
platform | string, required | E-commerce platform (e.g., Amazon, Walmart). |
query_or_category | string, required | Search query string or category name browsed. |
page_number | number | Current page number in paginated results. |
total_results | number | Total number of results returned. |
results | array, required | List of product results on this page. |
filters_applied | array | Active filters applied to the results. |
sort_by | string | Current sort order applied to results. |
ads_count | number | Number of sponsored/ad placements in results. |
snapshot_date | string, required | Date this search results snapshot was captured. |
page_title | string | Title of the source page. Tabstack auto-fills this from page metadata when left empty. |
favicon | string | Favicon URL of the source page. Tabstack auto-fills this from page metadata when left empty. |
Example
Inspect and validate the response shape.
The example below is generated from the schema to demonstrate its structure. Edit the object or paste a real response to validate it in your browser.
What it checks
Pass or fail, and the first reason why.
Whether the text parses as JSON, whether the top level is an object, and whether each field the schema requires is present at the declared type. A null is allowed anywhere. Every key you ask for is present. A field the page does not state can come back null, empty, a placeholder number, or a guessed value. Validate values, not just keys.
Usage
Send the schema with your source URL.
The schema travels with the request rather than living on your account, so the same call can send a trimmed version for one page and the full one for another. Every key you ask for is present. A field the page does not state can come back null, empty, a placeholder number, or a guessed value. Validate values, not just keys.
import schema from './category-search-results.json'
const res = await client.extract.json({
url: 'https://example.com/pricing',
json_schema: schema,
})tabstack extract json 'https://example.com/pricing' \
--schema @./category-search-results.jsonAdaptation
Make the schema match your application.
The schema is a starting point, not a guarantee that every source page contains every field. Three things are worth doing before you write one into your system, and the schema-authoring guide covers the rest.
Remove what you do not need
A shorter schema is a smaller response and fewer fields to handle.
Describe the ambiguous ones
A description tells Extract what to look for when a label could mean two things.
Validate before you store
Check the returned object against the schema rather than trusting it.
Related
Related schemas
Other schemas in this category.
- Same category: grocery & cpg product.
- Same category: marketplace seller profile.
- Same category: product listing.
- The job rather than the object: the Extract API.